Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1817 rocker features a 1.7 ratio for use with 7/16" stud Chevrolet 265-400 Small Block.
Specifications:
| Description_DEF |
Engine Rocker Arm |
| Description_DES |
Ultra Pro Magnum XD Rocker w/ 1.7 Ratio for Chevrolet SBC w/ 7/16" Stud |
| Description_KEY |
265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10 |
| Description_INV |
Ultra XD Rocker 1.7 SBC 7/16" Stud |
| Description_EXT |
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1817 rocker features a 1.7 ratio for use with 7/16" stud Chevrolet 265-400 Small Block. |
| Description_SHO |
Engine Rocker Arm |
| Description_SHP |
None |
| Rocker Arm Ratio |
1.7 |
| Engine Family |
Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) |
| C.A.R.B. Exempt for On-Road Vehicles? |
No |
| C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? |
Yes, but must meet tailpipe emission standards for year of vehicle. |
| Title |
Ultra Pro Magnum XD Rocker w/ 1.7 Ratio for Chevrolet SBC w/ 7/16" Stud |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? |
Yes, but must be a race/competition only vehicle. |
| Rocker Arm Material |
8650 Chromemoly Steel |
| Amazon ASIN |
B007Y5YRQW |
| C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? |
Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exemption Reason |
N/A |
| C.A.R.B. E.O. Number |
N/A |
| Maximum Valve Spring Open Pressure |
1000 |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? |
Yes, but must meet tailpipe emission standards for year of vehicle. |
| Rocker Arm Series |
Ultra Pro Magnum XD |
| Rocker Stud Diameter |
7/16 |
| Length |
2.0000 |
| Width |
3.0000 |
| Height |
6.0000 |
| Weight |
1.0000 |
